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Click on image for the lowdown. 
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| | | Forums66 Topics128,184 Posts1,057,195 Members48,465 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Oil technology has come a long way in the last couple of decades Rick. The single weight
oils are getting hard to find and have pretty much been replace by the multigrade oils
which are slowly giving way to the synthetics.
Lots of the guys are using the Rotella T oil for these older trucks but as we mentioned
earlier, you would be fine with 10w-30 or 5w-30 a lot depends on what kind of weather
you’re anticipating. In the end it taint all that critical
DG
Denny G
Sandwich, IL
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